THS4631
www.ti.com
SLOS451A–DECEMBER 2004–REVISED MARCH 2005
BILL OF MATERIALS
Table 2. THS4631DDA EVM
SMD
SIZE
REFERENCE
DESIGNATOR
PCB
QUANTITY
MANUFACTURER'S
PART NUMBER(1)
ITEM
DESCRIPTION
1
4
CAP, 2.2 µF, CERAMIC, X5R, 25 V
CAP, 0.1µF, CERAMIC, X7R, 50 V
OPEN
1206
0805
0805
0805
0805
1206
1206
1206
1206
C3, C6
C1, C2
R4, Z4, Z6
Z2
2
2
3
1
2
2
1
1
1
3
(AVX) 12063D225KAT2A
(AVX) 08055C104KAT2A
6
7
RESISTOR, 0 OHM, 1/8 W
RESISTOR, 499 OHM, 1/8 W, 1%
OPEN
(KOA) RK73Z2ATTD
R3, Z5
R8, Z9
R1
(KOA) RK73H2ATTD4990F
8
9
RESISTOR, 0 OHM, 1/4 W
RESISTOR, 49.9 OHM, 1/4 W, 1%
RESISTOR, 953 OHM, 1/4 W, 1%
CONNECTOR, SMA PCB JACK
(KOA) RK73Z2BLTD
10
11
13
R2
(KOA) RK73H2BLTD49R9F
(KOA) RK73H2BLTD9530F
(JOHNSON) 142-0701-801
Z3
J1, J2, J3
JACK, BANANA RECEPTANCE, 0.25"
DIA. HOLE
14
15
J4, J5, J6
3
(SPC) 813
TEST POINT, BLACK
TP1, TP2
TP3
2
1
4
4
1
1
(KEYSTONE) 5001
(KEYSTONE) 5000
(KEYSTONE) 1808
SHR-0440-016-SN
(TI) THS4631DDA
TEST POINT, RED
16
17
18
19
STANDOFF, 4-40 HEX, 0.625" LENGTH
SCREW, PHILLIPS, 4-40, .250"
IC, THS4631
U1
BOARD, PRINTED CIRCUIT
(TI) EDGE # 6467873 Rev.A
(1) The manufacturer's part numbers are used for test purposes only.
EVM
Computer simulation of circuit performance using SPICE is often useful when analyzing the performance of
analog circuits and systems. This is particularly true for video and RF-amplifier circuits where parasitic
capacitance and inductance can have a major effect on circuit performance. A SPICE model for the THS4631 is
available through either the Texas Instruments web site (www.ti.com). These models help in predicting
small-signal ac and transient performance under a wide variety of operating conditions. They are not intended to
model the distortion characteristics of the amplifier, nor do they attempt to distinguish between the package types
in their small-signal ac performance. Detailed information about what is and is not modeled is contained in the
model file itself.
18
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